All-Weather Pressure Vacuum Breather Valve

• Size: DN50 - DN300
• Class: 150lb to 2500lb
• Certificates: API 6D, CE, ISO9001
• Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch
• Delivery Detail: 20~45 Days According to The Specific Quantities
• Transport Package: Standard Export Wooden Case
• Model NO.: QHX2000
• Specification: API6D, ISO9001, CE, SGS, etc
• Trademark: NIPO
• Origin: Wenzhou, Zhejiang, China
• HS Code: 8481804090
• Production Capacity: 2000PCS/Year

Product Description

All-Weather Pressure Vacuum Breather Valve

Model QHXF-2000 is designed to vent to atmosphere to protect your tank from damage created by over-pressure or excessive vacuum.Costly product evaporation losses due to normal tank "breathing" are greatly reduced.Because it retains toxic vapous,atmospheric contamination is minimized.This helps to provide increased fire protection and safety.

Product Feature:
Breathing valve is a kind of air breather which install on the petrochemical fixed storage tank, in order to avoid tank over the pressure or vacuum making the storage tank destruct, prevent the outside flame enter, reduce the tank fluid volatile.

Operating pressure:
Type A: +355pa(+36mmH2O) -295pa(-30mmH2O)
Type B: +980pa(+100mmH2O) -295pa(-30mmH2O)
Type C: +1950pa(+200mmH2O) -295pa(-30mmH2O)
Type D:  according to user requirement (special pressure rating)
 
Note: 
under normal circumstances, (fire) breathing valve operating pressure to B shall prevail;
 
Applicable materials: 
gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials;
 
Environment temperature:
-40 ºC -+60 ºC;
 
Shell material: 
HT, AL, A3, 18-8, 304, 304L, 316, 316L.
 
Flange standards: 
HG20592-97 PN1.0 (also can be produced according to user specified criteria)

Products:

Workshop:





 FAQ:
Q: Are you trading company or manufacturer ?
A: We are a professional valve factory Located In Wenzhou,China.
Q: What's Execution Standard of products?
A: ISO,ANSI,AWWA,API,DIN,BS,JIS,EN,GOST,AS standard.
Q: How long is your delivery time?
A: Generally it is 15 days if the goods are in stock. It is 25-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, Welcome sample order to test and check the quality of products. The sample amount is less than $100, the product cost is free, and the customer needs to pay the express delivery fee. If the sample amount is higher than $100, and the sample cost and express delivery fee need to be negotiated by both parties.
Q: What is your terms of payment ?
A: 30% T/T in advance ,70% balance before shipment or see copy of bill of lading.
Q: Can you OEM or ODM?
A:Yes, we have a strong research & development team. The products can be made according to your request.
Q: Can you provide the relevant documentation and certificate?
A:Yes, We can provide the international certificates and relevant chemical analysis, mechanical properties, pressure test reports according to the customers need.
Q: What is your terms of delivery?
A: We accept EXW,FOB,CIF etc.
8. How to deal with after sales ?
A: warranty time : 18months from the shipment ; and we will be responsible for all the quality problems. We will provide process guidance services, replacement parts, on-site guidance and maintenance services. (both parties shall negotiate the relevant expenses)